Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What can you catch but never throw?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

How can you make a TV, a bed, a dog, and a car liquid?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What is the end of everything?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"